Fix brittle specs

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/factories/issues.rb

 FactoryGirl.define do
   factory :issue do
-    title
+    title { generate(:title) }
     author
     project factory: :empty_project
 

spec/factories/merge_requests.rb

 FactoryGirl.define do
   factory :merge_request do
-    title
+    title { generate(:title) }
     author
     association :source_project, :repository, factory: :project
     target_project { source_project }

spec/factories/sequences.rb

@@ -3,6 +3,8 @@ FactoryGirl.define do
   sequence(:name) { |n| "John Doe#{n}" }
   sequence(:email) { |n| "user#{n}@example.org" }
   sequence(:email_alias) { |n| "user.alias#{n}@example.org" }
+  sequence(:title) { |n| "My title #{n}" }
+  sequence(:filename) { |n| "filename-#{n}.rb" }
   sequence(:url) { |n| "http://example#{n}.org" }
   sequence(:label) { |n| "label#{n}" }
   sequence(:branch) { |n| "my-branch-#{n}" }

spec/factories/snippets.rb

 FactoryGirl.define do
-  sequence(:title, aliases: [:content]) { |n| "My snippet #{n}" }
-  sequence(:file_name) { |n| "snippet-#{n}.rb" }
-
   factory :snippet do
     author
-    title
-    content
-    file_name
+    title { generate(:title) }
+    content { generate(:title) }
+    file_name { generate(:filename) }
 
     trait :public do
       visibility_level Snippet::PUBLIC

spec/features/admin/admin_browse_spam_logs_spec.rb

 require 'spec_helper'
 
 describe 'Admin browse spam logs' do
-  let!(:spam_log) { create(:spam_log) }
+  let!(:spam_log) { create(:spam_log, description: 'abcde ' * 20) }
 
   before do
     login_as :admin

spec/features/issuables/issuable_list_spec.rb

@@ -51,7 +51,7 @@ describe 'issuable list', feature: true do
         if issuable_type == :issue
           create(:issue, project: project, author: user)
         else
-          create(:merge_request, source_project: project, source_branch: "#{n}-feature")
+          create(:merge_request, source_project: project, source_branch: generate(:branch))
         end
 
       2.times do
@@ -66,7 +66,7 @@ describe 'issuable list', feature: true do
       issue = Issue.reorder(:iid).first
       merge_request = create(:merge_request,
                               source_project: project,
-                              source_branch: 'my-bug-fix')
+                              source_branch: generate(:branch))
 
       MergeRequestsClosingIssues.create!(issue: issue, merge_request: merge_request)
     end

spec/support/cycle_analytics_helpers.rb

 module CycleAnalyticsHelpers
-  def create_commit_referencing_issue(issue, branch_name: nil)
-    project.repository.add_branch(user, branch_name || generate(:branch), 'master')
+  def create_commit_referencing_issue(issue, branch_name: generate(:branch))
+    project.repository.add_branch(user, branch_name, 'master')
     create_commit("Commit for ##{issue.iid}", issue.project, user, branch_name)
   end
 

spec/support/filter_spec_helper.rb

@@ -63,9 +63,9 @@ module FilterSpecHelper
   #
   # Returns a String
   def invalidate_reference(reference)
-    if reference =~ /\A(.+)?.\d+\z/
+    if reference =~ /\A(.+)?[^\d]\d+\z/
       # Integer-based reference with optional project prefix
-      reference.gsub(/\d+\z/) { |i| i.to_i + 1 }
+      reference.gsub(/\d+\z/) { |i| i.to_i + 10_000 }
     elsif reference =~ /\A(.+@)?(\h{7,40}\z)/
       # SHA-based reference with optional prefix
       reference.gsub(/\h{7,40}\z/) { |v| v.reverse }